Methodology
Can You Build Muscle Training Twice a Week?
Francesco Zen, founder of ZTraining · Last updated 19 June 2026
Why twice a week works for a beginner
Muscle gain at the start doesn't require high frequency, it requires consistent stimulus the body hasn't adapted to yet. A first-timer on an Upper and Lower split, training twice a week, gets exactly that, real progress, just on a slightly longer timeline than someone training three or more sessions.
What this means for your schedule
If twice a week is genuinely what your week allows, that's not a compromise that stalls progress, it's a realistic, sustainable starting point that still delivers. Frequency can always increase later as capacity allows.
Related: Best training split for a busy schedule · Minimum effective dose training for fat loss
He built Mr Z, an AI coach trained on his methodology to bring the same approach to a wider audience.